2021-02-042021-02-042012-06-060370-26931873-2445http://dx.doi.org/10.34944/dspace/5982953DR (isidoc)http://hdl.handle.net/20.500.12613/6000We study the longitudinal-transverse double spin asymmetry A LT for direct photon production in nucleon-nucleon scattering by using the collinear twist-3 approach. This asymmetry, which, for instance, could be measured at RHIC, contains a complete set of collinear twist-3 correlation functions in a transversely polarized nucleon. © 2012.235-239enhttps://creativecommons.org/licenses/by/3.0/hep-phhep-phArticle2021-02-04